<template>
  <transition name="el-zoom-in-center">
    <div class="cu-preview-main flow-form-main nohead">
      <div class="btns">
        <template v-if="(setting.opType == '-1' && setting.id) || setting.opType == 0 || setting.opType == 1 || setting.opType == 2">
          <el-button type="primary" @click="printBrowseVisible = true" v-if="properties.hasPrintBtn && properties.printId">
            {{ properties.printBtnText || '打 印' }}
          </el-button>
        </template>
        <template v-if="setting.opType == '-1'">
          <el-button type="primary" @click="eventLancher('submit')">
            {{ properties.submitBtnText || '提交审核' }}
          </el-button>
          <el-button type="warning" @click="eventLancher('save')" :loading="btnLoading">
            {{ properties.saveBtnText || '保存草稿' }}
          </el-button>
        </template>
        <template v-if="setting.opType == 1">
          <el-button type="warning" @click="openUserBox('transfer')" v-if="properties.hasTransferBtn">{{ properties.transferBtnText || '转 办' }}</el-button>
          <el-button type="primary" @click="eventLancher('audit')" v-if="properties.hasAuditBtn">
            {{ properties.auditBtnText || '通 过' }}
          </el-button>
          <el-button type="danger" @click="eventLancher('reject')" v-if="properties.hasRejectBtn">
            {{ properties.rejectBtnText || '拒 绝' }}
          </el-button>
        </template>
        <template v-if="setting.opType == 0 && setting.status == 1">
          <el-button type="primary" @click="press()" v-if="properties.hasPressBtn || properties.hasPressBtn === undefined">
            {{ properties.pressBtnText || '催 办' }}
          </el-button>
          <el-button type="danger" @click="revoke()" v-if="properties.hasRevokeBtn || properties.hasRevokeBtn === undefined">
            {{ properties.revokeBtnText || '撤 回' }}
          </el-button>
        </template>
        <el-button type="danger" v-if="setting.opType == 2 && properties.hasRevokeBtn" @click="recall()">{{ properties.revokeBtnText || '撤 回' }}</el-button>
        <template v-if="setting.opType == 4">
          <el-button type="primary" @click="openAssignBox" v-if="setting.status == 1">指 派</el-button>
          <el-button type="danger" v-if="setting.status != 2 && setting.status != 5" @click="cancel()">终 止</el-button>
        </template>
        <el-button @click="goBack()">{{ $t('common.cancelButton') }}</el-button>
      </div>
      <div class="approve-result" v-if="(setting.opType == 0 || setting.opType == 4) && activeTab === '0'">
        <div class="approve-result-img" :class="flowTaskInfo.status | flowStatus()"></div>
      </div>
      <el-tabs class="cu-el_tabs" v-model="activeTab">
        <el-tab-pane label="表单信息" v-loading="loading">
          <component :is="currentView" @close="goBack" ref="form" @eventReciver="eventReciver" @setLoad="setLoad" @setPageLoad="setPageLoad" />
        </el-tab-pane>
        <el-tab-pane label="流程信息" v-loading="loading">
          <Process :conf="flowTemplateJson" v-if="flowTemplateJson.nodeId" />
        </el-tab-pane>
        <el-tab-pane label="流转记录" v-if="setting.opType != '-1'" v-loading="loading">
          <recordList :list="flowTaskOperatorRecordList" :endTime="endTime" />
        </el-tab-pane>
      </el-tabs>
      <el-dialog :title="eventType === 'audit' ? '审批通过' : '审批拒绝'" :close-on-click-modal="false" :visible.sync="visible" class="cu-dialog cu-dialog_center" lock-scroll append-to-body width="600px">
        <el-form label-width="80px">
          <el-form-item label="加签人员" v-if="eventType === 'audit' && properties.hasFreeApprover">
            <user-select v-model="handleId" placeholder="请选择加签人员,不选即该节点审核结束" />
          </el-form-item>
          <el-form-item label="审批意见">
            <el-input v-model="reason" placeholder="请输入审批意见（选填）" type="textarea" :rows="4" />
          </el-form-item>
          <el-form-item v-if="properties.hasSign">
            <div class="sign-main">
              <div class="sign-head">
                <div class="sign-tip">请在这里输入你的签名</div>
                <div class="sign-action">
                  <el-button class="clear-btn" size="mini" @click="handleReset">清空</el-button>
                  <el-button class="sure-btn" size="mini" @click="handleGenerate" :disabled="!!signImg">确定签名</el-button>
                </div>
              </div>
              <div class="sign-box">
                <vue-esign ref="esign" :height="330" v-if="!signImg" :lineWidth="5" />
                <img :src="signImg" alt="" v-if="signImg" class="sign-img" />
              </div>
            </div>
          </el-form-item>
          <el-form-item label="抄送人员" v-if="properties.isCustomCopy">
            <user-select v-model="copyIds" placeholder="请选择" multiple />
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="visible = false">{{ $t('common.cancelButton') }}</el-button>
          <el-button type="primary" @click="handleApproval()" :loading="approvalBtnLoading">
            {{ $t('common.confirmButton') }}
          </el-button>
        </span>
      </el-dialog>
      <el-dialog title="指派" :close-on-click-modal="false" :visible.sync="assignVisible" class="cu-dialog cu-dialog_center" lock-scroll append-to-body width="600px">
        <el-form label-width="80px" :model="assignForm" :rules="assignRules" ref="assignForm">
          <el-form-item label="指派节点" prop="nodeCode">
            <el-select v-model="assignForm.nodeCode" placeholder="请选择指派节点">
              <el-option v-for="item in assignNodeList" :key="item.nodeCode" :label="item.nodeName" :value="item.nodeCode" />
            </el-select>
          </el-form-item>
          <el-form-item label="指派人" prop="freeApproverUserId">
            <user-select v-model="assignForm.freeApproverUserId" placeholder="请选择指派人" />
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="assignVisible = false">{{ $t('common.cancelButton') }}</el-button>
          <el-button type="primary" @click="handleAssign()">{{ $t('common.confirmButton') }}</el-button>
        </span>
      </el-dialog>
      <UserBox v-if="userBoxVisible" ref="userBox" :title="userBoxTitle" @submit="handleTransfer" />
      <print-browse :visible.sync="printBrowseVisible" :id="properties.printId" :formId="setting.id" :fullName="setting.fullName" />
    </div>
  </transition>
</template>

<script>
import { FlowEngineInfo } from '@/api/workFlow/FlowEngine'
import { FlowBeforeInfo, Audit, Reject, Transfer, Recall, Cancel, Assign } from '@/api/workFlow/FlowBefore'
import { Revoke, Press } from '@/api/workFlow/FlowLaunch'
import { Create, Update, DynamicCreate, DynamicUpdate } from '@/api/workFlow/workFlowForm'
import recordList from './RecordList'
import Process from '@/components/Process/Preview'
import PrintBrowse from '@/components/PrintBrowse'
import vueEsign from 'vue-esign'
export default {
  components: { recordList, Process, vueEsign, PrintBrowse },
  data() {
    return {
      userBoxVisible: false,
      userBoxTitle: '审批人',
      assignVisible: false,
      assignForm: {
        nodeCode: '',
        freeApproverUserId: ''
      },
      assignRules: {
        nodeCode: [{ required: true, message: '请选择指派节点', trigger: 'change' }],
        freeApproverUserId: [{ required: true, message: '请选择指派人', trigger: 'change' }]
      },
      assignNodeList: [],
      currentView: '',
      formData: {},
      setting: {},
      flowFormInfo: {},
      flowTaskInfo: {},
      flowTaskNodeList: [],
      flowTemplateJson: {},
      flowTaskOperatorRecordList: [],
      properties: {},
      endTime: 0,
      visible: false,
      reason: '',
      handleId: '',
      activeTab: '0',
      loading: false,
      btnLoading: false,
      approvalBtnLoading: false,
      printBrowseVisible: false,
      eventType: '',
      signImg: '',
      copyIds: ''
    }
  },
  methods: {
    goBack(isRefresh) {
      this.$emit('close', isRefresh)
    },
    init(data, id) {
      this.loading = true
      this.activeTab = '0'
      this.setting = data
      /**
       * opType
       * -1 - 我发起的新建/编辑
       * 0 - 我发起的详情
       * 1 - 待办事宜
       * 2 - 已办事宜
       * 3 - 抄送事宜
       * 4 - 流程监控
       */
      if (this.setting.opType == '-1') {
        this.getEngineInfo(data, id)
      } else {
        this.getBeforeInfo(data, id)
      }
    },
    getEngineInfo(data) {
      FlowEngineInfo(data.flowId)
        .then(res => {
          data.type = res.data.type
          data.fullName = res.data.fullName
          if (data.formType == 1) {
            if (res.data.enCode) {
              this.currentView = resolve => require([`@/views/${res.data.formUrl}`], resolve)
            } else {
              this.currentView = resolve => require([`@/views/workFlow/workFlowForm/${data.enCode}`], resolve)
            }
          } else {
            this.currentView = resolve => require([`@/views/workFlow/workFlowForm/dynamicForm`], resolve)
          }
          data.formConf = res.data.formData
          this.flowTemplateJson = res.data.flowTemplateJson ? JSON.parse(res.data.flowTemplateJson) : null
          this.flowTemplateJson.state = 'state-curr'
          data.formOperates = []
          this.properties = (this.flowTemplateJson && this.flowTemplateJson.properties) || {}
          if (this.flowTemplateJson && this.flowTemplateJson.properties && this.flowTemplateJson.properties.formOperates) {
            data.formOperates = this.flowTemplateJson.properties.formOperates || []
          }
          setTimeout(() => {
            this.$nextTick(() => {
              this.$refs.form &&
                Promise.resolve(this.$refs.form.init(data)).then(() => {
                  this.loading = false
                })
            })
          }, 1000)
        })
        .catch(() => {
          this.loading = false
        })
    },
    getBeforeInfo(data, selfId) {
      FlowBeforeInfo(data.id, { taskNodeId: data.taskNodeId })
        .then(res => {
          this.flowFormInfo = res.data.flowFormInfo
          this.flowTaskInfo = res.data.flowTaskInfo
          data.fullName = this.flowTaskInfo.fullName
          data.type = this.flowTaskInfo.type
          if (data.formType == 1) {
            if (this.flowTaskInfo.formUrl) {
              this.currentView = resolve => require([`@/views/${this.flowTaskInfo.formUrl}`], resolve)
            } else {
              this.currentView = resolve => require([`@/views/workFlow/workFlowForm/${data.enCode}`], resolve)
            }
          } else {
            this.currentView = resolve => require([`@/views/workFlow/workFlowForm/dynamicForm`], resolve)
          }
          this.flowTaskNodeList = res.data.flowTaskNodeList
          this.flowTemplateJson = this.flowTaskInfo.flowTemplateJson ? JSON.parse(this.flowTaskInfo.flowTemplateJson) : null
          this.flowTaskOperatorRecordList = res.data.flowTaskOperatorRecordList
          this.properties = res.data.approversProperties || {}
          this.endTime = this.flowTaskInfo.completion == 100 ? this.flowTaskInfo.endTime : 0
          data.formConf = res.data.flowFormInfo
          if (data.opType != 1) data.readonly = true
          data.formOperates = []
          if (data.opType == 0) {
            this.properties = (this.flowTemplateJson && this.flowTemplateJson.properties) || {}
            if (this.flowTemplateJson && this.flowTemplateJson.properties && this.flowTemplateJson.properties.formOperates) {
              data.formOperates = this.flowTemplateJson.properties.formOperates || []
            }
          } else {
            data.formOperates = res.data.formOperates || []
          }
          if (this.flowTaskNodeList.length) {
            let assignNodeList = []
            for (let i = 0; i < this.flowTaskNodeList.length; i++) {
              const nodeItem = this.flowTaskNodeList[i]
              data.opType == 4 && nodeItem.type == 1 && assignNodeList.push(nodeItem)
              const loop = data => {
                if (Array.isArray(data)) data.forEach(d => loop(d))
                if (data.nodeId === nodeItem.nodeCode) {
                  if (nodeItem.type == 0) data.state = 'state-past'
                  if (nodeItem.type == 1) data.state = 'state-curr'
                  if (nodeItem.nodeType === 'approver' || nodeItem.nodeType === 'start' || nodeItem.nodeType === 'subFlow') data.content = nodeItem.userName
                  return
                }
                if (data.conditionNodes && Array.isArray(data.conditionNodes)) loop(data.conditionNodes)
                if (data.childNode) loop(data.childNode)
              }
              loop(this.flowTemplateJson)
            }
            this.assignNodeList = assignNodeList
          }
          setTimeout(() => {
            this.$nextTick(() => {
              this.$refs.form && this.$refs.form.init(data)
              this.loading = false
            })
          }, 500)
        })
        .catch(() => {
          this.loading = false
        })
    },
    eventLancher(eventType) {
      this.$refs.form && this.$refs.form.dataFormSubmit(eventType)
    },
    eventReciver(formData, eventType) {
      this.formData = formData
      this.eventType = eventType
      if (eventType === 'save' || eventType === 'submit') {
        return this.submitOrSave()
      }
      if (eventType === 'audit' || eventType === 'reject') {
        this.handleId = ''
        this.reason = ''
        this.copyIds = ''
        this.handleReset()
        this.visible = true
      }
    },
    submitOrSave() {
      this.formData.status = this.eventType === 'submit' ? 0 : 1
      if (this.eventType === 'save') return this.handleRequest()
      this.$confirm('您确定要提交当前流程吗, 是否继续?', '提示', {
        type: 'warning'
      })
        .then(() => {
          this.handleRequest()
        })
        .catch(() => {})
    },
    handleRequest() {
      if (!this.formData.id) delete this.formData.id
      if (this.eventType === 'save') this.btnLoading = true
      let formMethod = null
      if (this.setting.formType == 1) {
        formMethod = this.formData.id ? Update : Create
      } else {
        formMethod = this.formData.id ? DynamicUpdate : DynamicCreate
      }
      formMethod(this.setting.enCode, this.formData)
        .then(res => {
          this.$message({
            message: res.msg,
            type: 'success',
            duration: 1500,
            onClose: () => {
              if (this.eventType === 'save') this.btnLoading = false
              this.$emit('close', true)
            }
          })
        })
        .catch(() => {
          if (this.eventType === 'save') this.btnLoading = false
        })
    },
    revoke() {
      this.$prompt('', '撤回流程', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        inputPlaceholder: '请输入撤回原因（选填）',
        inputType: 'textarea',
        inputValue: '',
        closeOnClickModal: false
      })
        .then(({ value }) => {
          Revoke(this.setting.id, { handleOpinion: value }).then(res => {
            this.$message({
              type: 'success',
              message: res.msg,
              duration: 1000,
              onClose: () => {
                this.$emit('close', true)
              }
            })
          })
        })
        .catch(() => {})
    },
    press() {
      this.$confirm('此操作将提示该节点尽快处理，是否继续?', '提示', {
        type: 'warning'
      })
        .then(() => {
          Press(this.setting.id).then(res => {
            this.$message({
              type: 'success',
              message: res.msg,
              duration: 1000
            })
          })
        })
        .catch(() => {})
    },
    recall() {
      this.$prompt('', '撤回审核', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        inputPlaceholder: '请输入撤回原因（选填）',
        inputType: 'textarea',
        inputValue: '',
        closeOnClickModal: false
      })
        .then(({ value }) => {
          Recall(this.setting.taskId, { handleOpinion: value }).then(res => {
            this.$message({
              type: 'success',
              message: res.msg,
              duration: 1000,
              onClose: () => {
                this.$emit('close', true)
              }
            })
          })
        })
        .catch(() => {})
    },
    cancel() {
      this.$prompt('', '终止审核不可恢复', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        inputPlaceholder: '请输入终止原因（选填）',
        inputType: 'textarea',
        inputValue: '',
        closeOnClickModal: false
      })
        .then(({ value }) => {
          Cancel(this.setting.taskId, { handleOpinion: value }).then(res => {
            this.$message({
              type: 'success',
              message: res.msg,
              duration: 1000,
              onClose: () => {
                this.$emit('close', true)
              }
            })
          })
        })
        .catch(() => {})
    },
    openUserBox(type) {
      this.userBoxVisible = true
      this.$nextTick(() => {
        this.$refs.userBox.init()
      })
    },
    handleTransfer(freeApproverUserId) {
      Transfer(this.setting.taskId, { freeApproverUserId }).then(res => {
        this.$message({
          type: 'success',
          message: res.msg,
          duration: 1000,
          onClose: () => {
            this.$emit('close', true)
          }
        })
      })
    },
    openAssignBox() {
      this.assignVisible = true
      this.$nextTick(() => {
        this.$refs['assignForm'].resetFields()
      })
    },
    handleAssign() {
      this.$refs['assignForm'].validate(valid => {
        if (!valid) return
        Assign(this.setting.taskId, this.assignForm).then(res => {
          this.$message({
            type: 'success',
            message: res.msg,
            duration: 1000,
            onClose: () => {
              this.$emit('close', true)
            }
          })
        })
      })
    },
    handleApproval() {
      if (this.properties.hasSign && !this.signImg) {
        this.$message({
          message: '请签名',
          type: 'error'
        })
        return
      }
      let query = {
        handleOpinion: this.reason,
        formData: this.formData,
        enCode: this.setting.enCode,
        signImg: this.signImg,
        copyIds: this.copyIds
      }
      if (this.eventType === 'audit' && this.properties.hasFreeApprover) {
        query = { freeApproverUserId: this.handleId, ...query }
      }
      const approvalMethod = this.eventType === 'audit' ? Audit : Reject
      this.approvalBtnLoading = true
      approvalMethod(this.setting.taskId, query)
        .then(res => {
          this.$message({
            type: 'success',
            message: res.msg,
            duration: 1000,
            onClose: () => {
              this.approvalBtnLoading = false
              this.visible = false
              this.$emit('close', true)
            }
          })
        })
        .catch(() => {
          this.approvalBtnLoading = false
        })
    },
    handleReset() {
      this.signImg = ''
      this.$nextTick(() => {
        this.$refs.esign && this.$refs.esign.reset()
      })
    },
    handleGenerate() {
      this.$refs.esign
        .generate()
        .then(res => {
          if (res) this.signImg = res
        })
        .catch(err => {
          this.$message({
            message: '请签名',
            type: 'warning'
          })
        })
    },
    setPageLoad(val) {
      this.loading = !!val
    },
    setLoad(val) {
      this.btnLoading = !!val
    }
  }
}
</script>
<style lang="scss" scoped>
.radio-audit {
  display: block;
  margin-bottom: 20px;
}
.sign-main {
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  overflow: hidden;
  .sign-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border-bottom: 1px solid #dcdfe6;
    .sign-tip {
      color: #606266;
      font-size: 12px;
    }
    .sign-action {
      display: flex;
      align-items: center;
      .clear-btn,
      .sure-btn {
        margin-left: 5px;
      }
    }
  }
  .sign-box {
    border-top: 0;
    height: 100px;
  }
  .sign-img {
    width: 100%;
  }
}
</style>
